<!-- 系统配置 -->
<template>
  <div class="app-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <el-form ref="queryFormRef" :model="queryFormData" :inline="true">
        <el-form-item prop="config_name" label="配置名称">
          <el-input v-model="queryFormData.config_name" placeholder="请输入配置名称" clearable />
        </el-form-item>
        <el-form-item prop="config_key" label="配置键名">
          <el-input v-model="queryFormData.config_key" placeholder="请输入配置键名" clearable />
        </el-form-item>
        <el-form-item prop="config_type" label="系统内置">
          <el-select v-model="queryFormData.config_type" placeholder="请选择系统内置" style="width: 167.5px" clearable>
            <el-option value="true" label="是" />
            <el-option value="false" label="否" />
          </el-select>
        </el-form-item>
        <!-- 时间范围，收起状态下隐藏 -->
        <el-form-item v-if="isExpand" prop="start_time" label="创建时间">
          <el-date-picker v-model="queryFormData.start_time" type="daterange" value-format="yyyy-MM-dd" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" />
        </el-form-item>
        <el-form-item class="search-buttons">
          <el-button type="primary" icon="search" @click="handleQuery">查询</el-button>
          <el-button icon="refresh" @click="handleResetQuery">重置</el-button>
          <!-- 展开/收起 -->
          <template v-if="isExpandable">
            <el-link class="ml-3" type="primary" underline="never" @click="isExpand = !isExpand">
              {{ isExpand ? "收起" : "展开" }}
              <el-icon>
                <template v-if="isExpand">
                  <ArrowUp />
                </template>
                <template v-else>
                  <ArrowDown />
                </template>
              </el-icon>
            </el-link>
          </template>
        </el-form-item>
      </el-form>
    </div>

    <!-- 内容区域 -->
    <el-card shadow="hover" class="data-table">
      <template #header>
        <div class="card-header">
          <span>
            <el-tooltip content="配置管理，包括系统名称、系统描述、系统版本、系统logo等。">
              <QuestionFilled class="w-4 h-4 mx-1" />
            </el-tooltip>
            系统配置列表
          </span>
        </div>
      </template>

      <!-- 功能区域 -->
      <div class="data-table__toolbar">
        <div class="data-table__toolbar--actions">
          <el-button type="success" icon="plus" @click="handleOpenDialog('create')">新增</el-button>
          <el-button type="danger" icon="delete" :disabled="selectIds.length === 0" @click="handleDelete(selectIds)">批量删除</el-button>
        </div>
        <div class="data-table__toolbar--tools">
          <el-tooltip content="导出">
            <el-button type="warning" icon="download" circle @click="handleExport" />
          </el-tooltip>
          <el-tooltip content="刷新">
            <el-button type="primary" icon="refresh" circle @click="handleRefresh" />
          </el-tooltip>
          <el-tooltip content="列表筛选">
            <el-dropdown trigger="click">
              <el-button type="default" icon="operation" circle />
              <template #dropdown>
                <el-dropdown-menu>
                  <el-dropdown-item v-for="column in tableColumns" :key="column.prop" :command="column">
                    <el-checkbox v-model="column.show">{{ column.label }}</el-checkbox>
                  </el-dropdown-item>
                </el-dropdown-menu>
              </template>
            </el-dropdown>
          </el-tooltip>
        </div>
      </div>

      <!-- 表格区域：系统配置列表 -->
      <el-table ref="dataTableRef" v-loading="loading" :data="pageTableData" highlight-current-row class="data-table__content" height="450" border stripe @selection-change="handleSelectionChange">
        <template #empty>
          <el-empty :image-size="80" description="暂无数据" />
        </template>
        <el-table-column v-if="tableColumns.find(col => col.prop === 'selection')?.show" type="selection" min-width="55" align="center" />
        <el-table-column v-if="tableColumns.find(col => col.prop === 'index')?.show" type="index" fixed label="序号" min-width="60">
          <template #default="scope">
            {{ (queryFormData.page_no - 1) * queryFormData.page_size + scope.$index + 1 }}
          </template>
        </el-table-column>
        <el-table-column v-if="tableColumns.find(col => col.prop === 'config_name')?.show" key="config_name" label="配置名称" prop="config_name" min-width="100" />
        <el-table-column v-if="tableColumns.find(col => col.prop === 'config_key')?.show" key="config_key" label="配置键" prop="config_key" min-width="200" />
        <el-table-column v-if="tableColumns.find(col => col.prop === 'config_value')?.show" key="config_value" label="配置值" prop="config_value" min-width="200" show-overflow-tooltip />
        <el-table-column v-if="tableColumns.find(col => col.prop === 'config_type')?.show" key="config_type" label="系统内置" prop="config_type" min-width="100">
          <template #default="scope">
            <el-tag v-if="scope.row.config_type" type="success">是</el-tag>
            <el-tag v-else type="danger">否</el-tag>
          </template>
        </el-table-column>
        <el-table-column v-if="tableColumns.find(col => col.prop === 'description')?.show" key="description" label="描述" prop="description" min-width="120" />
        <el-table-column v-if="tableColumns.find(col => col.prop === 'created_at')?.show" key="created_at" label="创建时间" prop="created_at" min-width="200" sortable />
        <el-table-column v-if="tableColumns.find(col => col.prop === 'updated_at')?.show" key="updated_at" label="更新时间" prop="updated_at" min-width="200" sortable />
        <el-table-column v-if="tableColumns.find(col => col.prop === 'creator')?.show" key="creator" label="创建人" min-width="120">
          <template #default="scope">
            {{ scope.row.creator?.name }}
          </template>
        </el-table-column>
        <el-table-column v-if="tableColumns.find(col => col.prop === 'operation')?.show" fixed="right" label="操作" align="center" min-width="200">
          <template #default="scope">
            <el-button type="info" size="small" link icon="document" @click="handleOpenDialog('detail', scope.row.id)">详情</el-button>
            <el-button type="primary" size="small" link icon="edit" @click="handleOpenDialog('update', scope.row.id)">编辑</el-button>
            <el-button type="danger" size="small" link icon="delete" @click="handleDelete([scope.row.id])">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <template #footer>
        <pagination v-model:total="total" v-model:page="queryFormData.page_no" v-model:limit="queryFormData.page_size" @pagination="loadingData" />
      </template>
    </el-card>

    <!-- 弹窗区域 -->
    <el-dialog v-model="dialogVisible.visible" :title="dialogVisible.title" @close="handleCloseDialog">
      <!-- 详情 -->
      <template v-if="dialogVisible.type === 'detail'">
        <el-descriptions :column="4" border>
          <el-descriptions-item label="配置名称" :span="2">{{ detailFormData.config_name }}</el-descriptions-item>
          <el-descriptions-item label="系统内置" :span="2">
            <el-tag v-if="detailFormData.config_type" type="success">是</el-tag>
            <el-tag v-else type="danger">否</el-tag>
          </el-descriptions-item>
          <el-descriptions-item label="配置键" :span="2">{{ detailFormData.config_key }}</el-descriptions-item>
          <el-descriptions-item label="配置值" :span="2">{{ detailFormData.config_value }}</el-descriptions-item>
          <el-descriptions-item label="描述" :span="2">{{ detailFormData.description }}</el-descriptions-item>
          <el-descriptions-item label="创建人" :span="2">{{ detailFormData.creator?.name }}</el-descriptions-item>
          <el-descriptions-item label="创建时间" :span="2">{{ detailFormData.created_at }}</el-descriptions-item>
          <el-descriptions-item label="更新时间" :span="2">{{ detailFormData.updated_at }}</el-descriptions-item>
        </el-descriptions>
      </template>
      <!-- 新增、编辑表单 -->
      <template v-else>
        <el-form ref="dataFormRef" :model="formData" :rules="rules" label-suffix=":" label-width="100px">
          <el-form-item label="配置名称" prop="config_name">
            <el-input v-model="formData.config_name" placeholder="请输入配置名称" :maxlength="50" />
          </el-form-item>
          <el-form-item label="配置键" prop="config_key">
            <el-input v-model="formData.config_key" placeholder="请输入配置键" :maxlength="50" />
          </el-form-item>
          <el-form-item label="配置值" prop="config_value">
            <el-input v-model="formData.config_value" placeholder="请输入配置值" :maxlength="100" />
          </el-form-item>
          <el-form-item label="系统内置" prop="config_type">
            <el-radio-group v-model="formData.config_type">
              <el-radio :value="true">是</el-radio>
              <el-radio :value="false">否</el-radio>
            </el-radio-group>
          </el-form-item>
          <el-form-item label="描述" prop="description">
            <el-input v-model="formData.description" :rows="4" :maxlength="100" show-word-limit type="textarea" placeholder="请输入描述" />
          </el-form-item>
        </el-form>
      </template>

      <template #footer>
        <div class="dialog-footer">
          <!-- 详情弹窗不需要确定按钮的提交逻辑 -->
          <el-button v-if="dialogVisible.type !== 'detail'" type="primary" @click="handleSubmit">确定</el-button>
          <el-button v-else type="primary" @click="handleCloseDialog">确定</el-button>
          <el-button @click="handleCloseDialog">取消</el-button>
        </div>
      </template>
    </el-dialog>


  </div>
</template>

<script setup lang="ts">
defineOptions({
  name: "Config",
  inheritAttrs: false,
});

import ConfigAPI, { ConfigTable, ConfigForm, ConfigPageQuery } from "@/api/system/config";
import { ElMessage, ElMessageBox } from "element-plus";
import { useDebounceFn } from "@vueuse/core";

const queryFormRef = ref();
const dataFormRef = ref();
const total = ref(0);
const selectIds = ref<number[]>([]);
const loading = ref(false);

const isExpand = ref(false);
const isExpandable = ref(true);

// 分页表单
const pageTableData = ref<ConfigTable[]>([]);


// 表格列配置
const tableColumns = ref([
  { prop: 'selection', label: '选择框', show: true },
  { prop: 'index', label: '序号', show: true },
  { prop: 'config_name', label: '配置名称', show: true },
  { prop: 'config_key', label: '配置键', show: true },
  { prop: 'config_value', label: '配置值', show: true },
  { prop: 'config_type', label: '系统内置', show: true },
  { prop: 'description', label: '描述', show: true },
  { prop: 'created_at', label: '创建时间', show: true },
  { prop: 'updated_at', label: '更新时间', show: true },
  { prop: 'creator', label: '创建人', show: true },
  { prop: 'operation', label: '操作', show: true }
])

// 详情表单
const detailFormData = ref<ConfigTable>({});

// 分页查询参数
const queryFormData = reactive<ConfigPageQuery>({
  page_no: 1,
  page_size: 10,
  config_name: undefined,
  config_key: undefined,
  config_type: undefined,
  start_time: undefined,
  end_time: undefined,
});

// 编辑表单
const formData = reactive<ConfigForm>({
  id: undefined,
  config_name: '',
  config_key: '',
  config_value: '',
  config_type: false,
  description: ''
});

// 弹窗状态
const dialogVisible = reactive({
  title: "",
  visible: false,
  type: 'create' as 'create' | 'update' | 'detail',
});

// 表单验证规则
const rules = reactive({
  config_name: [{ required: true, message: "请输入系统配置名称", trigger: "blur" }],
  config_key: [{ required: true, message: "请输入系统配置键", trigger: "blur" }],
  config_value: [{ required: true, message: "请输入系统配置值", trigger: "blur" }],
  config_type: [{ required: true, message: "请选择系统配置类型", trigger: "blur" }],
});

// 刷新数据(防抖)
const handleRefresh = useDebounceFn(() => {
  loadingData();
  ElMessage.success("刷新成功");
}, 1000);

// 加载表格数据
async function loadingData() {
  loading.value = true;
  try {
    const response = await ConfigAPI.getConfigList(queryFormData);
    pageTableData.value = response.data.data.items;
    total.value = response.data.data.total;
  }
  catch (error: any) {
    ElMessage.error(error.message);
  }
  finally {
    loading.value = false;
  }
}

// 查询（重置页码后获取数据）
async function handleQuery() {
  queryFormData.page_no = 1;
  loadingData();
}

// 重置查询
async function handleResetQuery() {
  queryFormRef.value.resetFields();
  queryFormData.page_no = 1;
  loadingData();
}

// 重置表单
async function resetForm() {
  dataFormRef.value.resetFields();
  dataFormRef.value.clearValidate();
  formData.id = undefined;
}

// 行复选框选中项变化
async function handleSelectionChange(selection: any) {
  selectIds.value = selection.map((item: any) => item.id);
}

// 关闭弹窗
async function handleCloseDialog() {
  dialogVisible.visible = false;
  resetForm();
}

// 打开系统配置弹窗
async function handleOpenDialog(type: 'create' | 'update' | 'detail', id?: number) {
  dialogVisible.type = type;
  if (id) {
    const response = await ConfigAPI.getConfigDetail(id);
    if (type === 'detail') {
      dialogVisible.title = "系统配置详情";
      Object.assign(detailFormData.value, response.data.data);
    } else if (type === 'update') {
      dialogVisible.title = "修改系统配置";
      Object.assign(formData, response.data.data);
    }
  } else {
    dialogVisible.title = "新增系统配置";
    formData.id = undefined;
  }
  dialogVisible.visible = true;
}

// 新增、编辑弹窗处理
async function handleSubmit() {
  // 表单校验
  dataFormRef.value.validate(async (valid: any) => {
    if (valid) {
      loading.value = true;
      // 根据弹窗传入的参数(deatil\create\update)判断走什么逻辑
      const id = formData.id;
      if (id) {
        try {
          await ConfigAPI.updateConfig(formData)
          dialogVisible.visible = false;
          resetForm();
          handleResetQuery();
        } catch (error: any) {
          ElMessage.error(error.message);
        } finally {
          loading.value = false;
        }
      } else {
        try {
          await ConfigAPI.createConfig(formData)
          ElMessage.success("新增成功");
          dialogVisible.visible = false;
          resetForm();
          handleResetQuery();
        } catch (error: any) {
          ElMessage.error(error.message);
        } finally {
          loading.value = false;
        }
      }
    }
  });
}

// 删除、批量删除
async function handleDelete(ids: number[]) {
  ElMessageBox.confirm("确认删除该项数据?", "警告", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  }).then(async () => {
    try {
      loading.value = true;
      await ConfigAPI.deleteConfig(ids);
      handleResetQuery();
    } catch (error: any) {
      ElMessage.error(error.message);
    } finally {
      loading.value = false;
    }
  }).catch(() => {
    ElMessage.info('已取消删除');
  });
}


// 导出
async function handleExport() {
  ElMessageBox.confirm('是否确认导出当前系统配置?', '警告', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    try {
      loading.value = true;
      const body = {
        ...queryFormData,
        page_no: 1,
        page_size: total.value
      };
      ElMessage.warning('正在导出数据，请稍候...');

      const response = await ConfigAPI.exportConfig(body);
      const blob = new Blob([JSON.stringify(response.data.data)], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8' });
      // 从响应头获取文件名
      const contentDisposition = response.headers['content-disposition'];
      let fileName = '系统配置.xlsx';
      if (contentDisposition) {
        const fileNameMatch = contentDisposition.match(/filename=(.*?)(;|$)/);
        if (fileNameMatch) {
          fileName = decodeURIComponent(fileNameMatch[1]);
        }
      }
      const url = window.URL.createObjectURL(blob);
      const link = document.createElement('a');
      link.href = url;
      link.download = fileName;
      document.body.appendChild(link);
      link.click();
    } catch (error: any) {
      ElMessage.error('文件处理失败', error.message);
      console.error('导出错误:', error);
    } finally {
      loading.value = false;
    }
  }).catch(() => {
    ElMessage.info('已取消导出');
  });
}

onMounted(() => {
  loadingData();
});
</script>

<style lang="scss" scoped></style>
